74724520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 121230680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 79, 85, 104, 107, 130, 136, 158, 170, 214, 221, 260, 316, 340, 395, 428, 442, 520, 535, 632, 680, 790, 856, 884, 1027, 1070, 1105, 1343, 1391, 1580, 1768, 1819, 2054, 2140, 2210, 2686, 2782, 3160, 3638, 4108, 4280, 4420, 5135, 5372, 5564, 6715, 6955, 7276, 8216, 8453, 8840, 9095, 10270, 10744, 11128, 13430, 13910, 14552, 16906, 17459, 18190, 20540, 23647, 26860, 27820, 33812, 34918, 36380, 41080, 42265, 47294, 53720, 55640, 67624, 69836, 72760, 84530, 87295, 94588, 109889, 118235, 139672, 143701, 169060, 174590, 189176, 219778, 236470, 287402, 338120, 349180, 439556, 472940, 549445, 574804, 698360, 718505, 879112, 945880, 1098890, 1149608, 1437010, 1868113, 2197780, 2874020, 3736226, 4395560, 5748040, 7472452, 9340565, 14944904, 18681130, 37362260, 74724520]

約数ペア:

[(1, 74724520), (2, 37362260), (4, 18681130), (5, 14944904), (8, 9340565), (10, 7472452), (13, 5748040), (17, 4395560), (20, 3736226), (26, 2874020), (34, 2197780), (40, 1868113), (52, 1437010), (65, 1149608), (68, 1098890), (79, 945880), (85, 879112), (104, 718505), (107, 698360), (130, 574804), (136, 549445), (158, 472940), (170, 439556), (214, 349180), (221, 338120), (260, 287402), (316, 236470), (340, 219778), (395, 189176), (428, 174590), (442, 169060), (520, 143701), (535, 139672), (632, 118235), (680, 109889), (790, 94588), (856, 87295), (884, 84530), (1027, 72760), (1070, 69836), (1105, 67624), (1343, 55640), (1391, 53720), (1580, 47294), (1768, 42265), (1819, 41080), (2054, 36380), (2140, 34918), (2210, 33812), (2686, 27820), (2782, 26860), (3160, 23647), (3638, 20540), (4108, 18190), (4280, 17459), (4420, 16906), (5135, 14552), (5372, 13910), (5564, 13430), (6715, 11128), (6955, 10744), (7276, 10270), (8216, 9095), (8453, 8840)]